This listing is for a 2015 American $1 Coin & Currency Set. This set features an Enhanced Uncirculated 2015-W Mohawk Ironworkers Native American Dollar and an Uncirculated $1 Series 2013 note from from the Federal Reserve Bank of New York features a serial number beginning with “911” in recognition of the Mohawk Ironworkers contributions to the construction of the World Trade Center twin towers, as well as their volunteer work in the recovery efforts following the attacks of September 11, 2001. This set has a limited mintage of only 90,000!